/*
 * Copyright 2014 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.gradle.groovy.scripts.internal;

import org.codehaus.groovy.control.CompilationFailedException;
import org.codehaus.groovy.control.Phases;
import org.codehaus.groovy.control.SourceUnit;
import org.gradle.api.Nullable;

import java.net.URI;

public class ScriptSourceTransformer extends AbstractScriptTransformer {
    public final static String AST_NODE_DESCRIPTION_METADATA_KEY = "AST_NODE_DESCRIPTION_METADATA_KEY";
    public final static String AST_NODE_LOCATION_METADATA_KEY = "AST_NODE_LOCATION_METADATA_KEY";

    private final String scriptSourceDescription;
    private final URI location;

    ScriptSourceTransformer(String scriptSourceDescription, @Nullable URI location) {
        this.scriptSourceDescription = scriptSourceDescription;
        this.location = location;
    }

    @Override
    protected int getPhase() {
        return Phases.CONVERSION;
    }

    public void call(SourceUnit source) throws CompilationFailedException {
        source.getAST().setNodeMetaData(AST_NODE_DESCRIPTION_METADATA_KEY, scriptSourceDescription);
        if (null != location) {
            source.getAST().setNodeMetaData(AST_NODE_LOCATION_METADATA_KEY, location.toString());
        }
    }

}
